# ownID, neibID, node1, node2,...
import numpy as np
in_inner_faces=np.array([
(0,-99,5,34),
(0,10,34,43),
(0,6,43,5),
(1,-99,34,35),
(1,12,35,49),
(1,9,49,34),
(2,-99,35,36),
(2,11,36,47),
(2,8,47,35),
(3,-99,36,37),
(3,16,37,45),
(3,7,45,36),
(4,-99,37,38),
(4,15,38,31),
(4,13,31,37),
(5,-99,38,39),
(5,17,39,27),
(5,14,27,38),
(6,-99,43,6),
(6,18,6,5),
(7,-99,45,7),
(7,11,7,36),
(8,-99,47,8),
(8,12,8,35),
(9,-99,49,9),
(9,10,9,34),
(10,49,9,43),
(11,47,7,47),
(12,59,8,49),
(13,-99,31,3),
(13,16,3,37),
(14,-99,27,1),
(14,15,1,38),
(15,30,1,31),
(16,34,3,45),
(17,32,39,2),
(17,29,2,27),
(18,50,6,41),
(18,-99,41,5),
(19,59,48,8),
(19,41,8,12),
(19,69,12,48),
(20,47,46,7),
(20,38,7,14),
(20,68,14,46),
(21,-99,17,16),
(21,34,16,3),
(21,33,3,17),
(22,-99,18,17),
(22,33,17,30),
(22,56,30,18),
(23,-99,19,18),
(23,30,18,1),
(23,28,1,19),
(24,-99,21,20),
(24,57,20,2),
(24,64,2,21),
(25,66,28,22),
(25,-99,22,21),
(25,64,21,28),
(26,-99,24,23),
(26,60,23,4),
(26,35,4,24),
(27,-99,0,25),
(27,36,25,6),
(27,43,6,0),
(28,-99,1,26),
(28,54,26,19),
(29,-99,26,27),
(29,57,2,26),
(30,56,18,31),
(31,-99,28,29),
(31,53,29,50),
(31,55,50,28),
(32,-99,29,2),
(32,37,39,29),
(33,-99,3,30),
(34,52,16,45),
(35,-99,4,32),
(35,65,32,24),
(36,58,25,33),
(36,50,33,6),
(37,-99,39,40),
(37,39,40,29),
(38,-99,7,44),
(38,63,44,14),
(39,42,40,51),
(39,53,51,29),
(40,-99,33,4),
(40,45,4,51),
(40,46,51,33),
(41,-99,8,46),
(41,62,46,12),
(42,-99,40,41),
(42,46,41,51),
(43,-99,6,42),
(43,67,42,0),
(44,67,10,42),
(44,-99,42,43),
(44,49,43,10),
(45,60,4,50),
(45,53,50,51),
(46,50,41,33),
(47,-99,46,47),
(48,-99,9,48),
(48,61,48,10),
(48,49,10,9),
(51,-99,16,15),
(51,63,15,44),
(51,52,44,16),
(52,-99,44,45),
(54,-99,20,19),
(54,57,26,20),
(55,60,50,23),
(55,66,23,28),
(56,-99,30,31),
(58,65,25,32),
(58,-99,32,33),
(59,-99,48,49),
(61,-99,11,10),
(61,69,48,11),
(62,-99,13,12),
(62,68,46,13),
(63,-99,15,14),
(64,-99,2,28),
(65,-99,25,24),
(66,-99,23,22),
(67,-99,10,0),
(68,-99,14,13),
(69,-99,12,11),
],dtype=int)
